Lumicon offers you the best and most extensive line of astronomical accessories in the world every imagined visual and astrophotographic application, in many configurations and sizes. Lumicon proudly offers you the most unique patented and useful accessories, including the world-famous series of Easy Guiders, Richfield Viewers, Sky Vectors, diagonals, finderscopes, illuminated reticles, guiding eyepieces, Binoviewers, and visual and astrophotographic accessories. All of Lumicon International products come with a 100% satisfaction guarantee. IF YOU DON'T SEE IT, PLEASE ASK.

The Lumicon 25mm Cross-Hair Eyepiece is a high-quality, Kellner-style single cross-hair eyepiece for use in Lumicon's 50mm and 80mm finderscopes. Fully-coated optics provide high contrast and flat field. Focal-length is 25mm and the field-stop is...

1.25" Parks Gold Series 3-element 2x Barlow Double the number of eyepieces by doubling their power with the Parks Gold Series 2x Barlow. Designed to achieve professional performance with a full 26mm of clear aperture for wide-field viewing and...

The Parks Gold Series 5 and 7 element eyepieces are designed with the latest optical technology and utilize the finest glass available. They offer reduced color fringing, wider field of view, less edge distortions, improved contrast, longer eye...

The Lumicon 1.25" Enhanced Aluminum Diagonal reflects 96 to 97 percent of the light from the telescope's primary optics directly into your eyepiece. áIts single 1/8 wave precision-polished surface is superior to the three surfaces of prism...

The Parks Gold Series 5 and 7 element eyepieces are designed with the latest optical technology and utilize the finest glass available. They offer reduced color fringing, wider field of view, less edge distortions, improved contrast, longer eye...

The Parks Gold Series 5 and 7 element eyepieces are designed with the latest optical technology and utilize the finest glass available. They offer reduced color fringing, wider field of view, less edge distortions, improved contrast, longer eye...

The Parks Gold Series 5 and 7 element eyepieces are designed with the latest optical technology and utilize the finest glass available. They offer reduced color fringing, wider field of view, less edge distortions, improved contrast, longer eye...

The Parks Gold Series 5 and 7 element eyepieces are designed with the latest optical technology and utilize the finest glass available. They offer reduced color fringing, wider field of view, less edge distortions, improved contrast, longer eye...

The Parks Gold Series 5 and 7 element eyepieces are designed with the latest optical technology and utilize the finest glass available. They offer reduced color fringing, wider field of view, less edge distortions, improved contrast, longer eye...

The Lumicon 2" Enhanced Aluminum Diagonal reflects 96 to 97 percent of the light from the telescope's primary optics directly into your eyepiece. áIts single 1/8 wave precision-polished surface is superior to the three surfaces of prism...

The Parks Gold Series 5 and 7 element eyepieces are designed with the latest optical technology and utilize the finest glass available. They offer reduced color fringing, wider field of view, less edge distortions, improved contrast, longer eye...

The Lumicon 2" LumiBrite Dielectric Coated Diagonal reflects 99 percent of the light from the telescope's primary optics into your eyepiece. áIts single 1/10 wave precision polished surface is superior to the three surfaces of prism diagonals....

The Lumicon 1.25" LumiBrite Dielectric Coated Diagonal reflects 99 percent of the light from the telescope's primary optics into your eyepiece. áIts single 1/10 wave precision polished surface is superior to the three surfaces of prism...

2" Filter Selector with Enhanced Diagonal Combo for Refractors The Lumicon 2" Multiple Filter Selector-Enhanced Diagonal Combo for Refractors allows you to enjoy the convenience of a filter selector and the quality of an Enhanced Aluminum...

The Parks Gold Series Eyepiece Kit is one-stop primo eyepiece shopping. The kit covers the magnification gamut, from wide-field to planetary, with exceptional image quality at every stop. The 2X Barlow will zoom to your telescope's practical limit....

These new high-quality German-made binoculars employ Grade-A BK 7 crown glass for its precision-polished prisms. Ordinarily, BaK 4 is used as a recourse to improve color correction, but in these binoculars color correction is so good that we may use...